JPS5954928A - 静電容量型材料レベル表示器 - Google Patents

静電容量型材料レベル表示器

Info

Publication number
JPS5954928A
JPS5954928A JP58149535A JP14953583A JPS5954928A JP S5954928 A JPS5954928 A JP S5954928A JP 58149535 A JP58149535 A JP 58149535A JP 14953583 A JP14953583 A JP 14953583A JP S5954928 A JPS5954928 A JP S5954928A
Authority
JP
Japan
Prior art keywords
probe
input
capacitance
counter
responsive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP58149535A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0244375B2 (enExample
Inventor
ロナルド・ジ−・ブレントン
ロビン・ビ−・ランク
ジヨ−ジ・エイチ・フアザワ−
チヤ−ルズ・エフ・フツド
フイリツプ・ピ−・フレツケンシユタイン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAAUINDO CORP
Original Assignee
BAAUINDO CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BAAUINDO CORP filed Critical BAAUINDO CORP
Publication of JPS5954928A publication Critical patent/JPS5954928A/ja
Publication of JPH0244375B2 publication Critical patent/JPH0244375B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4922—Contact or terminal manufacturing by assembling plural parts with molding of insulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP58149535A 1982-08-25 1983-08-16 静電容量型材料レベル表示器 Granted JPS5954928A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US411525 1982-08-25
US411524 1982-08-25
US411527 1982-08-25
US06/411,524 US4499640A (en) 1982-08-25 1982-08-25 Method of manufacturing capacitance-type material level indicator probe
US419776 1982-09-20

Publications (2)

Publication Number Publication Date
JPS5954928A true JPS5954928A (ja) 1984-03-29
JPH0244375B2 JPH0244375B2 (enExample) 1990-10-03

Family

ID=23629291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58149535A Granted JPS5954928A (ja) 1982-08-25 1983-08-16 静電容量型材料レベル表示器

Country Status (2)

Country Link
US (1) US4499640A (enExample)
JP (1) JPS5954928A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02500032U (enExample) * 1988-02-12 1990-12-20
JP2001194207A (ja) * 1999-11-01 2001-07-19 Nohken:Kk 静電容量式検知装置
JP2018128473A (ja) * 2018-05-23 2018-08-16 シーエル計測工業株式会社 対象物検出センサ

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800755A (en) * 1982-08-25 1989-01-31 Berwind Corporation Capacitance-type material level indicator
US4555941A (en) * 1982-08-25 1985-12-03 Berwind Corporation Capacitance-type material level indicator
US5245873A (en) * 1982-08-25 1993-09-21 Berwind Corporation Capacitance-type material level indicator and method of operation
US4676100A (en) * 1984-10-31 1987-06-30 Berwind Corporation Capacitance-type material level indicator
DE3610166A1 (de) * 1985-04-03 1986-10-09 Smiths Industries Public Ltd. Co., London Fuellstandsmessgeraet
US4806848A (en) * 1987-03-11 1989-02-21 The United States Of America As Represented By The Secretary Of The Air Force Compressor blade clearance measurement system
US5136250A (en) * 1989-04-28 1992-08-04 Seagate Technology, Inc. Capacitance height gauge
US5197376A (en) * 1990-09-17 1993-03-30 Services Alimentaires, S.A. Apparatus for dispensing a cooked food product
US5088325A (en) * 1991-02-11 1992-02-18 Bindicator Company System for indicating a condition of material
US5307678A (en) * 1993-06-07 1994-05-03 Drexelbrook Engineering Co. Material level probe having crimp seal
US5701084A (en) * 1995-09-22 1997-12-23 Magnetrol International, Inc. Insulated capacitance probe
US5955684A (en) * 1997-01-06 1999-09-21 Rosemount Inc. Modular probe
US6148681A (en) * 1997-01-06 2000-11-21 Rosemount Inc. Level probe with modular connection
US5973415A (en) * 1997-08-28 1999-10-26 Kay-Ray/Sensall, Inc. Capacitance level sensor
EP1261876B1 (en) 2000-02-29 2015-09-09 Gen-Probe Incorporated Fluid dispense and liquid surface verification system
US7467548B2 (en) * 2005-10-14 2008-12-23 Rosemount Tank Radar Ab Radar level gauge system and coupling
US8410948B2 (en) * 2008-05-12 2013-04-02 John Vander Horst Recreational vehicle holding tank sensor probe
US7804599B2 (en) * 2008-07-24 2010-09-28 MGM Instruments, Inc. Fluid volume verification system
US8424381B1 (en) 2009-06-05 2013-04-23 Liquid Measurement Systems, Inc. Fluid level measuring device
DE102018111058A1 (de) * 2018-05-08 2019-11-14 Vega Grieshaber Kg Impedanzgrenzstandsensor
CN109238245B (zh) * 2018-11-30 2020-11-10 中国海洋大学 一种新型仿生侧线传感器
US12392919B2 (en) 2020-12-08 2025-08-19 Watts Regulator Co. Fluid detection systems and methods using the same
US12188213B2 (en) * 2020-12-08 2025-01-07 Watts Regulator Co. Fluid detection systems and methods using the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825562A (enExample) * 1971-08-05 1973-04-03
JPS51139657U (enExample) * 1975-04-30 1976-11-10

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444997A (en) * 1945-04-13 1948-07-13 Telephone Mfg Co Ltd Method of making electric contact plugs
US2852937A (en) * 1955-04-07 1958-09-23 Honeywell Regulator Co Liquid level indicating apparatus
US2955466A (en) * 1955-12-01 1960-10-11 Robertshaw Fulton Controls Co Test probe
US3119266A (en) * 1960-11-10 1964-01-28 Duane E Atkinson Level indicating system, method and probe
DE1275777B (de) * 1965-05-11 1968-08-22 Buna Chem Werke Veb Messverfahren, insbesondere fuer die Fuellstandsmessung
US3339411A (en) * 1965-06-23 1967-09-05 Bedford Controls Inc Electrode probe assembly
US3706980A (en) * 1970-04-27 1972-12-19 Drexelbrook Controls Rf system for measuring the level of materials
DE2448205C2 (de) * 1974-10-09 1985-08-22 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitive Sonde
US3988668A (en) * 1975-10-17 1976-10-26 Robertshaw Controls Company Antistatic capacitance probe
DE2717301B1 (de) * 1977-04-19 1978-08-31 Pfaudler Werke Ag Messumformer zur kapazitiven Fuellstandsmessung von Fluessigkeitsfuellungen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825562A (enExample) * 1971-08-05 1973-04-03
JPS51139657U (enExample) * 1975-04-30 1976-11-10

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02500032U (enExample) * 1988-02-12 1990-12-20
JP2001194207A (ja) * 1999-11-01 2001-07-19 Nohken:Kk 静電容量式検知装置
US6292104B1 (en) 1999-11-01 2001-09-18 Nohken Inc. Capacitance type detector
JP2018128473A (ja) * 2018-05-23 2018-08-16 シーエル計測工業株式会社 対象物検出センサ

Also Published As

Publication number Publication date
JPH0244375B2 (enExample) 1990-10-03
US4499640A (en) 1985-02-19

Similar Documents

Publication Publication Date Title
EP0101580B1 (en) Capacitance-type material level indicator
JPS5954928A (ja) 静電容量型材料レベル表示器
US4555941A (en) Capacitance-type material level indicator
US4499766A (en) Capacitance-type material level indicator
US4800755A (en) Capacitance-type material level indicator
US5245873A (en) Capacitance-type material level indicator and method of operation
US4499767A (en) Capacitance-type material level indicator
US4676100A (en) Capacitance-type material level indicator
US3391547A (en) Capacitive liquid level sensor using phase sensitive detector means
US4025846A (en) Capacitive sensor
US4010650A (en) Apparatus for generating an electrical signal indicative of liquid level
US4188826A (en) Device for measuring the liquid level of an electrically conductive liquid
US4864857A (en) Level indicator
IL106829A (en) Soil moisture sensor
US5005407A (en) Fluid level sensing system
US5973415A (en) Capacitance level sensor
US3140608A (en) Liquid level gauge
US3037165A (en) Electrical indicating measuring or control apparatus and the like
US3367183A (en) Apparatus for measuring liquid levels
US3988668A (en) Antistatic capacitance probe
US3215900A (en) Fluid monitoring system
US5121631A (en) Shielded level sensing system
US3537085A (en) Switching circuit for cavern probe
US3876916A (en) Capacitor for sensing contaminated oil
US3477290A (en) Probe assembly for measuring liquid level